<!DOCTYPE html>
<html lang="zh-CN">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Document</title>
	</head>
	<body>
		<script>
			// 数字分隔符 _ 可以用来更清晰地表示大数。
			const largeNumber = 1_000_000;
			console.log(largeNumber); // Logs "1000000"
		</script>
	</body>
</html>
